32 bit applications can only call ioctl functions on 64 bit systems
when the field .compat_ioctl is defined for file operations.
Tested-by: NDave Penkler <dpenkler@gmail.com>
Signed-off-by: NGuido Kiener <guido.kiener@rohde-schwarz.com>
Reviewed-by: NSteve Bayless <steve_bayless@keysight.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>